Tesla and SpaceX announce $16.8B semiconductor plant in Grimes County, Texas

Tesla and SpaceX have announced a joint $16.8 billion initial investment to build Terafab, a massive 100-million-square-foot semiconductor plant in Grimes County, Texas. Designed to combine chip manufacturing, packaging, and testing under one roof, the facility will produce AI chips for Tesla's Optimus robots and SpaceX's space-based data centers. While supported by a $30 million state grant and local school district tax breaks, the project faces pushback from residents demanding environmental and economic oversight.

Terafab semiconductor plant announcement

• ▪The Terafab facility is expected to employ at least 3,000 people, drawing workers from Grimes County and neighboring Brazos County.
• ▪The initial phase of the Terafab semiconductor factory represents a capital investment of $16.8 billion.
• ▪SpaceX and Tesla announced on August 6, 2026, that they will build a semiconductor factory named Terafab in Grimes County, Texas.
• ▪The Terafab facility will sit on the Gibbons Creek Reservoir and pull water from the reservoir for industrial operations rather than local groundwater.

Vertical integration strategy

• ▪The Terafab joint venture involves Tesla, SpaceX, artificial intelligence subsidiary xAI, and foundry partner Intel Corporation.
• ▪Terafab is designed as a vertically integrated facility that combines chip manufacturing, advanced packaging, and testing under one roof.

AI chip demand

• ▪The Terafab plant will produce chips optimized for edge computing in Tesla's Optimus robots and Cybercabs, and high-power processors for SpaceX's space-based data centers.
• ▪Tesla and SpaceX stated that they are building Terafab because their future computing needs will outstrip current and projected global chip supply.

Texas economic incentives

• ▪Texas Governor Greg Abbott announced a $30 million Texas Enterprise Fund grant has been extended to SpaceX for the Terafab project.
• ▪Anderson-Shiro Consolidated Independent School District and Iola Independent School District approved tax incentive agreements for the Terafab project under the Texas JETI Act.
• ▪Nearly 900 residents of Grimes County signed a petition organized by Grimes County Citizens for Responsible Development calling for more community oversight and transparency.
• ▪SpaceX agreed to pay Grimes County $20 million annually for 35 years, representing about 78% of what it would have paid in property taxes.

Project scale investment

• ▪Under the JETI agreements, SpaceX is required to invest a minimum of $5 billion by 2030 and create at least 1,800 full-time equivalent jobs by 2035.
• ▪The planned Terafab facility is designed to span more than 100 million square feet of manufacturing space.
• ▪SpaceX's S-1 filing in May 2026 described Terafab as a general framework with no binding commitments, no finalized IP split, and no obligation for either side to participate.